Parole weather in September

In September, Parole sees average daytime highs of 76°F and overnight lows near 66°F, with 4.6 in of rain across 9.2 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 80°F in the first days to 72°F by the end. The sky is clear or mostly clear about 38% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 54 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Parole's 3rd-clearest and 9th-windiest month. For the whole year in context, see Parole's year-round climate.

Daytime high
76°
4th warmest
Overnight low
66°
9th coldest
Rainfall
4.6 in
9.2 wet days
Daylight
12 h 18 min
5:53 AM – 6:08 PM
Cloud cover
54%
3rd clearest
Wind
8 mph
9th windiest
Solar energy
4.27 kWh/m²
Travel score
7.0
out of 10

Parole is census designated place in Anne Arundel County, Maryland, United States.

Density
520/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 80°F in the first days to 72°F by the end.

A typical September day in Parole reaches about 76°F in the afternoon and slips back to 66°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 69°F and 83°F. Set against its neighbours, September runs about 6°F cooler than August and about 11°F warmer than October.

50°60°70°80°90°151015202530
Avg high (°F)Avg low (°F)
18070
28070
38070
48069
58069
67969
77968
87968
97868
107867
117867
127867
137767
147766
157766
167665
177665
187665
197565
207564
217564
227464
237463
247463
257362
267362
277362
287261
297261
307261

How September really feels in Parole

Once humidity and wind are folded in, September averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Parole weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan41° / 31°3.592.79.60.1
Feb43° / 32°3.392.810.50.6
Mar51° / 38°4.410.91.611.72.4
Apr61° / 49°3.710.20.1135.1
May70° / 58°3.810.8014.16.4
Jun79° / 68°3.610.8014.76.4
Jul84° / 73°4.211.7014.55.4
Aug82° / 72°4.010.2013.56.1
Sep76° / 66°4.69.2012.37.0
Oct66° / 55°3.98.20116.3
Nov55° / 44°3.38.10.19.93.7
Dec46° / 36°4.19.51.39.31.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15644
25644
35644
45644
55644
65644
75644
85644
95644
105644
115644
125644
135545
145545
155446
165446
175347
185248
195149
205248
215149
225149
235149
245248
255347
265347
275446
285446
295446
305545

Chance of precipitation in September

Any precipitation

Parole gets around 4.6 in of rain over 9.2 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
129
229
329
430
530
630
730
830
930
1029
1129
1229
1329
1428
1528
1628
1728
1828
1929
2029
2129
2229
2330
2430
2530
2629
2729
2829
2929
3029

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 24% of days. Sticky, muggy-or-worse air turns up on roughly 36% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
18132527261
28142526251
39142526251
410142525241
511152625231
612152624221
713162624211
814162624191
915172624181
1016172524171
1117172524161
1219182524140
1320182424130
1421182425120
1522182325110
1624182325100
172519232590
182619222570
192719222560
202819222560
213019212550
223120212440
233220212440
243420212330
253520202230
263720202120
273819202020
284019201920
294119191820
304319191720

Wind in September

Winds average 8 mph in September.

Across September, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67light breeze
77light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 54 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over September. Sunrise moves from 5:39 AM to 6:06 AM, and sunset from 6:33 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:396:33
212.95:406:31
312.85:416:29
412.85:426:28
512.75:436:26
612.75:446:25
712.65:456:23
812.65:466:21
912.65:476:20
1012.55:476:18
1112.55:486:16
1212.45:496:15
1312.45:506:13
1412.35:516:11
1512.35:526:10
1612.35:536:08
1712.25:546:06
1812.25:556:05
1912.15:566:03
2012.15:576:01
2112.05:586:00
2212.05:595:58
2311.96:005:56
2411.96:015:55
2511.96:015:53
2611.86:025:51
2711.86:035:50
2811.76:045:48
2911.76:055:46
3011.66:065:45

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.27 kWh/m².

For context, solar energy here swings from a low near 1.94 kWh/m² to a high of 6.1 kWh/m² in June across the year — September's 4.27 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.7Bright
54.7Bright
64.7Bright
74.6Bright
84.6Bright
94.5Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.4Bright
154.3Bright
164.3Bright
174.3Bright
184.2Bright
194.2Bright
204.1Bright
214.1Bright
224.0Bright
234.0Bright
244.0Moderate
253.9Moderate
263.9Moderate
273.9Moderate
283.8Moderate
293.8Moderate
303.8Moderate
Planning a trip in September

Hazard calendar for Parole

In seasonPeak

In September, Parole sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Parole sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Parole?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.0
Sightseeing
1st-best month of the year
6.1
Beach & pool
4th-best month of the year

September is one of the better times to visit Parole for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Parole in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Parole sees daytime highs around 76°F and nights near 66°F. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Parole in September

The nearest coast averages about 74°F in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 12 mi away) is warmest in August at about 78°F and coldest in February near 37°F.

It's comfortable for a long swim from Jun 16 to Oct 6 — about 3.7 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan38Bracing
Feb37Bracing
Mar40Bracing
Apr47Bracing
May58Bracing
Jun68Refreshing
Jul76Warm
Aug78Warm
Sep74Refreshing
Oct65Cool
Nov54Bracing
Dec45Bracing

UV index in Parole in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Parole peaks around July 11 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 11UV 9Dec 19UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7High
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Parole in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Parole is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1216 µg/m³Nov 118 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar13Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug14Moderate
Sep12Good
Oct9Good
Nov8Good
Dec10Good
Location & terrain

Where is Parole?

Parole sits at 39.0°N, 76.5°W, 66 ft above sea level, in United States. The nearest listed city is Annapolis, 3.1 mi away.

Topography around Parole

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Parole.

Within 2 miles, the terrain around Parole has only modest variations in elevation — a maximum elevation change of 236 ft around an average of 85 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 344 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,283 ft.

The land around Parole is covered by trees (64%) and artificial surfaces (24%) within 2 miles, trees (55%) and water (30%) within 10 miles, and trees (53%) within 50 miles.

2 miles
236 ft
10 miles
344 ft
50 miles
1,283 ft
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Annapolis 3.1 mi · Arnold 4.3 mi · Severna Park 6.2 mi · Crofton 8.1 mi · Lake Shore 9.3 mi · Pasadena 9.9 mi · Bowie 11 mi · Green Haven 11 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Parole (38.981°, -76.545°, elevation 66 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).